1 files changed, 30 insertions, 0 deletions

diff --git a/include/asm-ia64/cache.h b/include/asm-ia64/cache.h
new file mode 100644
index 000000000000..666d8f175cb3
--- /dev/null
+++ b/include/asm-ia64/cache.h
@@ -0,0 +1,30 @@
+#ifndef _ASM_IA64_CACHE_H
+#define _ASM_IA64_CACHE_H
+
+#include <linux/config.h>
+
+/*
+ * Copyright (C) 1998-2000 Hewlett-Packard Co
+ *      David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+/* Bytes per L1 (data) cache line.  */
+#define L1_CACHE_SHIFT          CONFIG_IA64_L1_CACHE_SHIFT
+#define L1_CACHE_BYTES          (1 << L1_CACHE_SHIFT)
+
+#define L1_CACHE_SHIFT_MAX 7    /* largest L1 which this arch supports */
+
+#ifdef CONFIG_SMP
+# define SMP_CACHE_SHIFT        L1_CACHE_SHIFT
+# define SMP_CACHE_BYTES        L1_CACHE_BYTES
+#else
+  /*
+   * The "aligned" directive can only _increase_ alignment, so this is
+   * safe and provides an easy way to avoid wasting space on a
+   * uni-processor:
+   */
+# define SMP_CACHE_SHIFT        3
+# define SMP_CACHE_BYTES        (1 << 3)
+#endif
+
+#endif /* _ASM_IA64_CACHE_H */